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NTSB investigations: Lycoming VO-435 series, CA

15 cases on aircraft whose registry engine model is Lycoming VO-435 series, where the first occurrence was “In flight collision with object”. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

Cases per year

19822026

Where

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Latest cases

Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
  FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
  WHERE c.\"eventStateOrRegion\" = 'CA' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41525')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 220))
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB LAX03CA285Accident · No injuriesData collectionFinal reportBell 47G-5 · Greenfield, CAthe pilot's failure to maintain clearance with the wires due to an inadequate visual lookout.Sep 13, 2003 · N7060J · Substantial damageNTSB LAX02LA262Accident · Serious injuriesLimited investigationFinal reportBell 47G-2 · Oasis, CAthe pilot's failure to maintain an adequate visual lookout and clearance with power lines while maneuvering during an aerial application flight.Aug 25, 2002 · N8478H · Substantial damageNTSB LAX00LA280Accident · No injuriesLimited investigationFinal reportBell 47G-5 · King City, CAThe pilot's intentional flight into adverse weather which resulted in loss of visual reference and flight into power transmission wires and terrain.Jul 28, 2000 · N7885S · Substantial damageNTSB LAX00LA124Accident · Minor injuriesLimited investigationFinal reportBell 47G · Vacaville, CAFailure of the pilot to see wires and maintain clearance while flying at a low altitude.Mar 12, 2000 · N9763Z · Substantial damageNTSB LAX98LA225Accident · Minor injuriesLimited investigationFinal reportBell 47G-5 · Salinas, CAThe failure of the pilot to maintain clearance with the telephone lines.Jul 7, 1998 · N7914S · DestroyedNTSB LAX95LA213Accident · No injuriesLimited investigationFinal reportBell 47-G2A · Bakersfield, CAthe pilot's failure to maintain adequate lateral clearance from the irrigation standpipe while applying chemicals to a field.Jun 18, 1995 · N73260 · Substantial damageNTSB LAX94LA199Accident · 1 fatalLimited investigationFinal reportContinental Copters Tomcat MK5A · Brawley, CAFailure of the pilot to maintain sufficient altitude, while maneuvering to land after completing aerial application. Factors related to the accident were: darkness and the lack of visual cues for the pilot to detect the obstruction (power line).Apr 22, 1994 · N9061T · DestroyedNTSB LAX93LA157Accident · Minor injuriesLimited investigationFinal reportBell 47G5 · Greenfield, CAThe pilot's failure to maintain an adequate clearance from the power lines while performing an aerial application run.Mar 20, 1993 · N7080J · Substantial damageNTSB LAX90DVM01Accident · No injuriesFinal reportBell 47G-5 · Guadalupe, CAThe pilot's failure to maintain sufficient clearance allowing the aircraft to collide with a wooden power pole. Contributing to the accident was the sunglare which inhibited the pilot's vision.Nov 1, 1989 · N4798R · Substantial damageNTSB LAX86LA231Accident · Serious injuriesLimited investigationFinal reportBell 47G-5 · Castaic, CAThe helicopter collided with unmarked wires while heading into sun during spraying operation. Plt does not recall seeing or hitting wires.Feb 27, 1986 · N7802S · Substantial damageNTSB LAX85LA344Accident · Minor injuriesLimited investigationFinal reportBell 47G-2 · Big Bear City, CAOn August 12, 1985, a Bell 47G2 helicopter collided with a yucca tree and rolled over during a landing near Big Bear City, CA. The acft sustained substantial damage and the plt and his two passengers were not injured. The purpose of the flight was a aerial…Aug 12, 1985 · N2899B · Substantial damageNTSB LAX84LA501Accident · Minor injuriesLimited investigationFinal reportBell 47G-2 · Borrego Springs, CAAfter landing, the plt hover taxied to the fuel pumps to refuel. While maneuvering to touch down at the pumps, the main rotor blade struck a 10 to 12 ft high vent pipe. The plt reported that the vent pipes were painted black & were not readily apparent with…Sep 29, 1984 · N28895 · Substantial damageNTSB LAX84LA464Accident · No injuriesLimited investigationFinal reportBell 47G-5 · Watsonville, CAThe plt maneuvered during an aerial application flt to avoid high tension wires and collided with lower telephone lines. The plt said the winds were gusty at the time of the accident.Aug 29, 1984 · N4096G · Substantial damageNTSB LAX82DA186Accident · No injuriesFinal reportBell 47G2 · Santa Maria, CAThe helicopter contacted the platform with a landing skid and rolled over during an attempted takeoff. As the helicopterlifted off of a truck mounted platform a skid became fouled by the truck and a dynamic roll-over occurred.May 21, 1982 · N130V · Substantial damageNTSB LAX82DA135Accident · No injuriesFinal reportBell 47G-2 · Stockton, CAThe pilot landed to pick up a flagger and take him to the end of the field. The landing was made facing north on a north-south driveway. An overhead line was located along the east side of the driveway. During takeoff, the pilot moved laterally to the west,…Apr 15, 1982 · N2879B · Destroyed